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Charles William Sparboe

Case from Billings, MT dated Jul 31, 1990

Victim Details

Charles Sparboe

Male

White / Caucasian

Billings

MT

1990-07-31

60

Charles

William Sparboe

Primary Suspect Deceased

07/03/2026

Case Description

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On a hot afternoon in Billings, Montana, on July 31, 1990, the life of 60-year-old Charles William Sparboe, a male, came to a violent and tragic end. Sparboe, the owner of the Treasure State Silver & Gold coin shop, was a self-made millionaire with interests in real estate, but his true passion was the coin shop he had operated for a decade. It was there, amidst the collections he cherished, that he and his 47-year-old assistant, Catharine Newstrom, were found shot in the head. The discovery was ...
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Links to Additional Sources (16)

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  • Charles T. Sinclair - Wikipedia
  • Charles William Sparboe (1930-1990) - Memorials - Find a Grave
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    Forum Posts (3)

    Did anyone else find it strange how methodical Sinclair was in his approach to these coin shops? I m... ...Read More
    04/24/2024
    I've been following this case for a while now, and something that really stands out to me is how cau... ...Read More
    03/22/2024
    Hey everyone,
    I was reading about the tragic case of Charles Sparboe and Catharine Newstrom in Bi... ...Read More
    09/16/2023
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